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U2012 Engine Diagnostic Code

U2012 engine diagnostic code is about in terms of how often you should get your tyres rotated, it's different for every vehicle and type of tyre, but having them rotated at every oil change is a good rule of thumb. Check with the tyre manufacturer for a more specific time frame. Remember that the more often you rotate your tyres, the more evenly they'll wear, and when you have the tyres rotated, you should also get them checked for balance and alignment.

U2012 engine code provides below are generic codes that may not apply to all vehicles.
Car manufacturer uses specific U2012 DTC code that are different
from the codes shown below. Foreign vehicles may also use DTC codes
different from the generic Engine Diagnostic codes.

U2012 Diagnostic Trouble Code Meaning And Solution

U

2

0

12

Network Problem

MFG - Manufacturer Specific

Transmission

12 Engine Fault Code

Starting letter U diagnostic code shows that there are problems in climate control system, lighting, airbags, etc..
If your "Check Engine Light" is on, it means your vehicle has one or more OBD II Trouble Codes so you have to check your engine diagnostic code tool.
If your vehicle is an older model with a non-electronic Transmission, you can check the distributor
cap to see whether the spark is getting from there to the coil and on to the spark plugs.

Don't forget ! If your U2012 engine code not resolved on
and there are trouble codes in your computer, your vehicle will not pass an OBD 2
emissions test. The light must be off and there must be no codes in memory to pass an OBD 2
emissions test. In addition, all of the OBD II self-monitors that check for faults must have run and
completed without finding any further problems to pass the test.